X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Message-ID: <4AE87606.4080606@cygwin.com> Date: Wed, 28 Oct 2009 12:49:10 -0400 From: "Larry Hall (Cygwin)" Reply-To: cygwin AT cygwin DOT com User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.21) Gecko/20090320 Remi/2.0.0.21-1.fc8.remi Lightning/0.9 Thunderbird/2.0.0.21 Mnenhy/0.7.5.0 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: Set uid and gid of a file to "root" References: In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On 10/28/2009 05:29 AM, Stern, Eli wrote: > Hi, > > I am developing a diskless embedded system (aka the target) that uses Linux as its Operating system. The target connects directly to my PC (XP). > I would like to boot the target to an NFS server, where is will get the file system. > I would like to use the Cygwin NFS server in the following manner: > - Create the target file system on the host (the build host is Linux) > - Save it to the NFS server. This can be done as part of the build process (send the build results to the NFS server instead of storing locally). > - Boot the target via NFS > > I am currently encountering the following problem: > When the file system is created, some special files (actually devices), e.g. /dev/console and /dev/tts/0, are craeted using "sudo mknod". When this is done to a regular Linux directory, these devices are create with uid and gid as "root". But when created on the Cygwin NFS server, they are created with my uid and gid. > Later when the target tries to boot from the NFS, it will not use these devices, since they are not owned by "root", and the boot fails. > > How can I get these devices to be owned by "root" (i.e. uid:gid == 0:0)? Why doesn't the "no_root_squash" option work? -- Larry Hall http://www.rfk.com RFK Partners, Inc. (508) 893-9779 - RFK Office 216 Dalton Rd. (508) 893-9889 - FAX Holliston, MA 01746 _____________________________________________________________________ A: Yes. > Q: Are you sure? >> A: Because it reverses the logical flow of conversation. >>> Q: Why is top posting annoying in email? -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple